Walk-through magnetometers, better known as metal detectors, were some of the first security technologies introduced in U.S. airports

Name: Walk-through magnetometers, better known as metal detectors, were some of the first security technologies introduced in U.S. airports
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Quizplus · Accepted Answer

Walk-through magnetometers, or metal detectors, were indeed among the first security technologies introduced in U.S. airports, primarily to screen passengers for metallic weapons and contraband.

Walk-Through Magnetometers, Better Known as Metal Detectors, Were Some of the First